(a²+b²) (a²-b²) (a⁴+b⁴) (a⁸+b⁸)
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Answer: Ans---> ( a⁴ + b⁴ ) ( a² - b² )
Given---> ( a⁸ - b⁸ ) / (a² + b² )
To find---> Factorize given expression
Solution---> First we factorize numerator
a⁸ - b⁸ = ( a⁴ )² - ( b⁴ )²
We have an identity,
X² - y² = ( x + y ) ( x - y ) , applying it here we get
a⁸ - b⁸ = ( a⁴ + b⁴ ) ( a⁴ - b⁴ )
= ( a⁴ + b⁴ ) { ( a² )² - ( b² )² }
Applying above identity again, we get
= ( a⁴ + b⁴ ) ( a² + b² ) ( a² - b² )
( a⁸ - b⁸ ) / ( a² + b² )
= (a⁴ + b⁴ ) ( a² + b² ) ( a² - b² ) / ( a² + b² )
( a² + b² ) cancel out from numerator and denominator
= ( a⁴ + b⁴ ) ( a² - b² )
Step-by-step explanation: mark me brainlist.
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